Answer:
The answer is 52
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
D=2r so 2*20=40
Answer:
-6
Step-by-step explanation:
is it
Answer:
the opposite of a positive number is always negative
Given:
The explicit function is:

To find:
and first 5 terms.
Solution:
The explicit formula a geometric sequence is:
...(i)
Where, a is the first term and r is the common ratio.
We have,
...(ii)
On comparing (i) and (ii), we get


And,

For
,




For
,




Similarly, substituting
, we get



Therefore,
and the first five terms are
.